refactor start

home/ags/node_modules/es-abstract/2019/IsConstructor.js

@@ -1,40 +0,0 @@
-'use strict';
-
-var GetIntrinsic = require('../GetIntrinsic.js');
-
-var $construct = GetIntrinsic('%Reflect.construct%', true);
-
-var DefinePropertyOrThrow = require('./DefinePropertyOrThrow');
-try {
-	DefinePropertyOrThrow({}, '', { '[[Get]]': function () {} });
-} catch (e) {
-	// Accessor properties aren't supported
-	DefinePropertyOrThrow = null;
-}
-
-// https://262.ecma-international.org/6.0/#sec-isconstructor
-
-if (DefinePropertyOrThrow && $construct) {
-	var isConstructorMarker = {};
-	var badArrayLike = {};
-	DefinePropertyOrThrow(badArrayLike, 'length', {
-		'[[Get]]': function () {
-			throw isConstructorMarker;
-		},
-		'[[Enumerable]]': true
-	});
-
-	module.exports = function IsConstructor(argument) {
-		try {
-			// `Reflect.construct` invokes `IsConstructor(target)` before `Get(args, 'length')`:
-			$construct(argument, badArrayLike);
-		} catch (err) {
-			return err === isConstructorMarker;
-		}
-	};
-} else {
-	module.exports = function IsConstructor(argument) {
-		// unfortunately there's no way to truly check this without try/catch `new argument` in old environments
-		return typeof argument === 'function' && !!argument.prototype;
-	};
-}